<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/link/add" method="post">
  用户名：<input type="text"name="name"><br>
  生日：<input type="text" name="birthday"><br>
  电话：<input type="text" name="phone"><br>
  <input type="submit" value="添加">
</form>
</body>
</html>